1636678945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 2322432000

約数和(自身を除く): 685753055

約数列:

[1, 5, 11, 29, 31, 55, 79, 145, 155, 319, 341, 395, 419, 869, 899, 1595, 1705, 2095, 2291, 2449, 4345, 4495, 4609, 9889, 11455, 12151, 12245, 12989, 23045, 25201, 26939, 33101, 49445, 60755, 64945, 71021, 126005, 133661, 134695, 142879, 165505, 355105, 364111, 376681, 668305, 714395, 781231, 959929, 1026131, 1820555, 1883405, 3906155, 4143491, 4799645, 5130655, 10559219, 11287441, 20717455, 29757799, 52796095, 56437205, 148788995, 327335789, 1636678945]

約数ペア:

[(1, 1636678945), (5, 327335789), (11, 148788995), (29, 56437205), (31, 52796095), (55, 29757799), (79, 20717455), (145, 11287441), (155, 10559219), (319, 5130655), (341, 4799645), (395, 4143491), (419, 3906155), (869, 1883405), (899, 1820555), (1595, 1026131), (1705, 959929), (2095, 781231), (2291, 714395), (2449, 668305), (4345, 376681), (4495, 364111), (4609, 355105), (9889, 165505), (11455, 142879), (12151, 134695), (12245, 133661), (12989, 126005), (23045, 71021), (25201, 64945), (26939, 60755), (33101, 49445)]